Retry (un)checking an element

What does this MR do?

This updates the check_element and uncheck_element methods to confirm if the checkbox was actually checked/unchecked, and tries again if it was unsuccessful.

Closes #36682 (closed)

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content